The **UP5-680-R** is a high-performance power inductor belonging to the **UP5 Series** manufactured by Eaton (formerly Cooper Bussmann/Coiltronics). These components are specifically designed for high-frequency power conversion applications. --- ### 1. Key Technical Specifications Below are the primary electrical and physical characteristics of the UP5-680-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 68.0 µH | | **Tolerance** | ±20% | | **Current Rating (Irms)** | ~2.1 Amps (Typical) | | **Saturation Current (Isat)** | ~2.3 Amps (Typical) | | **DC Resistance (DCR)** | ~0.148 Ohms (Max) | | **Operating Temperature** | -40°C to +125°C | | **Mounting Type** | Surface Mount (SMD) | --- ### 2. Core Features * **High Power Density:** The UP5 series is designed to handle high current in a relatively small footprint. * **Shielded Construction:** It features a drum core construction with a ferrite shield, which minimizes **Electromagnetic Interference (EMI)** and protects sensitive nearby components. * **Low DCR:** The low direct current resistance ensures minimal power loss through heat, increasing the overall efficiency of the power supply. * **Rugged Design:** It is built to withstand high reflow temperatures and harsh environmental conditions. --- ### 3. Application Use Cases This part is commonly found in the following electronic circuits: 1. **DC-DC Converters:** Used as an energy storage element in Buck, Boost, or Sepic converters. 2. **Voltage Regulator Modules (VRM):** Provides stable power filtering for microprocessors and FPGAs. 3. **Industrial Electronics:** Integrated into power supplies for sensors, controllers, and communication hardware. 4. **Consumer Electronics:** Used in high-end audio equipment or laptop power management where EMI suppression is critical. --- ### 4. Part Number Breakdown The nomenclature for this part typically follows this logic: * **UP5:** The series designation (Uni-Pac 5mm height family). * **680:** The inductance value code. The first two digits are significant figures, and the third is the multiplier (68 x 10^0 = 68 µH). * **-R:** Indicates that the component is **RoHS Compliant** (lead-free).